You'd be surprised at the number of college students who will tell you 7 hours or 3.5 hours.
No I wouldn't.:)
Yes, this must be fixed. If we can fix anything we should be able to fix this! We just have different theories of what "this" is and why it is happening.
I have always been curious as to why we are not just trying to fix this, before we move on to trying to fix algebra and calculus. Using your theory or mine, it makes no difference to me.
Just show me that someone can legitimately fix something.